Annual report pursuant to Section 13 and 15(d)

Document And Entity Information

v3.22.1
Document And Entity Information - USD ($)
7 Months Ended
Dec. 31, 2021
Mar. 29, 2022
Document Information Line Items    
Entity Registrant Name Athena Technology Acquisition Corp. II  
Trading Symbol ATEK  
Document Type 10-K  
Current Fiscal Year End Date --12-31  
Entity Public Float $ 252,988,750  
Amendment Flag false  
Entity Central Index Key 0001882198  
Entity Current Reporting Status Yes  
Entity Voluntary Filers No  
Entity Filer Category Non-accelerated Filer  
Entity Well-known Seasoned Issuer No  
Document Period End Date Dec. 31, 2021  
Document Fiscal Year Focus 2021  
Document Fiscal Period Focus FY  
Entity Small Business true  
Entity Emerging Growth Company true  
Entity Shell Company true  
Entity Ex Transition Period false  
ICFR Auditor Attestation Flag false  
Document Annual Report true  
Document Transition Report false  
Entity File Number 001-41144  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 87-2447308  
Entity Address, Address Line One 442 5th Avenue  
Entity Address, City or Town New York  
Entity Address, State or Province NY  
Entity Address, Postal Zip Code 10018  
City Area Code (970)  
Local Phone Number 925-1572  
Title of 12(b) Security Shares of Class A common stock, par value $0.0001 per share, included as part of the units  
Security Exchange Name NYSE  
Entity Interactive Data Current Yes  
Auditor Name WithumSmith+Brown  
Auditor Location New York  
Auditor Firm ID 100  
Class A Common Stock    
Document Information Line Items    
Entity Common Stock, Shares Outstanding   26,328,750
Class B Common Stock    
Document Information Line Items    
Entity Common Stock, Shares Outstanding   8,881,250